SHAPTON M24 Ceramic Whetstone 24 mm Stone with Wooden Base wa santoku made of Yasuki White Steel

made of Yasuki White Steel #3 at the core of the blade

733:150 mm/5

Nakiri 160-180 mm

Brand MASAHIRO 正広 Blade Type Honesuki Kaku (Eastern Sabaki )/Double bevel Blade Material Japan Steel (ZCD-U/Special Carbon Steel by Masashiro)

Brand Sakai Takayuki Blade type Gyuto(Chef's Knife)/Double bevel  Model  KUROKAGE 黒影 Blade material VG-10 Hammered  Black Fluorine Coated Stain Resistant Steel Blade Length 07493: 210 mm/8

SHAPTON M24 Ceramic Whetstone 24 mm Stone with Wooden Base wa santoku made of Yasuki White SteelSHAPTON Ceramic Whetstone M24 series(24 mm stone with Non Slip Wooden Base) M24 series have some variation of Grit, #120 (White), #1000 (Orange), #1500( Blue), #2000 (Green) & #5000 (Deep Red). M24 Stone is not necessary to pour into waters for mins, before you use it. When you sharpen your knife, etc., just sprinkle some water on its surface. Brand SHAPTON Model M24 Grit & Color #120 (Coarse) : White #1000 (Medium) : Orange #1500 (Medium) : Blue